pipe lockup issues should be fixed

From:

Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxx>

Date:

Sat, 8 Aug 2009 19:38:54 -0700 (PDT)

I believe I have fixed the reported pipe lockup issues with the new
pipe code. Those people who experienced the problem should test with
the latest master.
Remember that DEVFS is now active in the latest master.
-Matt
Matthew Dillon
<dillon@backplane.com>